The Number

221845

Two Hundred and Twenty-One Thousand Eight Hundred and Forty-Five

In Base 13 Tridecimal Is

79c9013

The numbers with a 13 subscript use Base 13 Tridecimal notation.

For more familiar numbers: See Two Hundred and Twenty-One Thousand Eight Hundred and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221842
79c8a13
Two Hundred and Twenty-One Thousand Eight Hundred and Forty-Two in Base 13 Tridecimal
221843
79c8b13
Two Hundred and Twenty-One Thousand Eight Hundred and Forty-Three in Base 13 Tridecimal
221844
79c8c13
Two Hundred and Twenty-One Thousand Eight Hundred and Forty-Four in Base 13 Tridecimal
221846
79c9113
Two Hundred and Twenty-One Thousand Eight Hundred and Forty-Six in Base 13 Tridecimal
221847
79c9213
Two Hundred and Twenty-One Thousand Eight Hundred and Forty-Seven in Base 13 Tridecimal
221848
79c9313
Two Hundred and Twenty-One Thousand Eight Hundred and Forty-Eight in Base 13 Tridecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.21845e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000189b050bbb5491413

The reciprocal of 221845 in Base 13 Tridecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 79c9013 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two hundred and twenty-one thousand eight hundred and forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand eight hundred and forty-five is a composite number with 8 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number two hundred and twenty-one thousand eight hundred and forty-five has the following 3 prime factors:

5
513
Five in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
3413
172713
Three Thousand Four Hundred and Thirteen in Base 13 Tridecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

5131 · 10131 · 1727131 = 79c9013

Base Conversions

The number two hundred and twenty-one thousand eight hundred and forty-five in 35 different bases